Wei Wah Kwok, M.D.
NPI 1861430902ActiveIndividual· Anesthesiology, Pain Medicine· Fullerton, CA
Anesthesiology, Pain Medicine (M.D.) in Fullerton, California, trained at Tufts University School of Medicine (class of 2001). 250 Medicare patients in 2024, $179,516 paid; nearly all of their 2,162 Part D prescriptions were generic (96%). Medtronic, Inc. was the largest of 10 companies reporting payments in 2025, $667.10 in all, mostly food and beverage.
Overview
| NPI | 1861430902 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Jun 2, 2006 |
| Last updated in NPPES | Dec 22, 2020 |
| Certified by provider | Dec 22, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Anesthesiology, Pain Medicine Primary | 207LP2900X | A90368 | CA |
| Anesthesiology | 207L00000X | A90368 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Anesthesiology (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 250 |
|---|---|
| Services billed | 10,036 across 53 procedure codes |
| Paid by Medicare | $179,516 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,162 · 2,448 30-day fills |
|---|---|
| Patients | 231 |
| Total drug cost | $98,142 |
| Generic share | 96% of claims |
Education and affiliations
| Medical school | Tufts University School of Medicine |
|---|---|
| Graduation year | 2001 |
| Medicare specialty | Anesthesiology |
| Secondary specialties | Interventional Pain Management |
Medical groups
- Caduceus Physicians Medical GroupYorba Linda, CA · 22 clinicians
- Premier Pain ConsultantsFullerton, CA · 4 clinicians
- Veritas Anesthesia IncFullerton, CA · 3 clinicians
Hospital affiliations
- Providence St. Jude Medical CenterFullerton, CA
- Uci Health-OrangeOrange, CA
Industry payments (Open Payments)
- 2025$667.10 · 25 payments from 10 companies
- 2024$537.61 · 25 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Medtronic, Inc. | $316.17 | 10 |
| Collegium Pharmaceutical, Inc. | $61.63 | 3 |
| Pfizer Inc. | $55.39 | 2 |
| Abbvie Inc. | $55.35 | 2 |
| Iovance Biotherapeutics, Inc. | $50.64 | 2 |
What the 2025 payments were for
- Food and Beverage$667.10 · 25 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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